Improvement in stereotype-plate holders



W. SCHNAUFFER.

Stereotype Plate-Holders.

NO.136,769. PatentedMarchH,1873.

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AM. Pnoro-umasmpmc ca MK(0550RNE.'5 mamas) UNITED STATES PATENT CFFIGEQA WILLIAM SCHNAUFFER, OF BALTIMORE, MARYLAND.

IMPROVEMENT IN STEREOTYPE-PLATE HOLDERS.

Specification forming part of Letters Patent No. 136,769, dartd Maul] 11,1873.v

To all whom it may concern.-

Be it known that I, WILLIAM SCHNAUF- FER, of the city and county of Baltimore and State of Maryland, have invented a new and Improved Stereotype-Block Holder; and I do hereby declare that the following is a full,

clear, and exact description of the same, reference bein g had to the accompanying drawing, forming a part of this specification:

The invention relates to that class of stereotype or electrotype-plates which are provided with dovetailed tongues that slide into grooves .made in the upper part of bed-l)loc.;.

block; and Fig. 3 is a cross-section, having the side flanges of my improved plate.

In the drawing, A is an ordinary block, provided with dovetail-flanges a a. A A represent the tWo-part bed-block, divided lengthwise through the middle, having the dovetailed groove a to each section, and two legs, a a, on each section, as shown in Fig. 2 of drawing.

Having thus described m yinvention, what I claim as new, and desire to secure by Letters Patent, i;-

ThetWo-part bed-block A A, divided longitudinally through the middle, and each part having a dovetailed flange, a, and two legs, a a a a, on each section, for the purpose set forth.

\VILLIAM SGHNAUFFER.

Witnesses:

P. KNOFF, CHARLES \VALTER. 

